Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 18:15Z
det| 11 8 ; 0 12 | = 132
N₂ + 3H₂ ⇌ 2NH₃
det| 7 4 ; 4 8 | = 40
90K
det| 11 5 ; 0 12 | = 132
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
100K
∑_{k=1}^{n} k = n(n+1)/2
197K